390375572 has 6 divisors (see below), whose sum is σ = 683157258. Its totient is φ = 195187784.

The previous prime is 390375571. The next prime is 390375593. The reversal of 390375572 is 275573093.

It can be written as a sum of positive squares in only one way, i.e., 251983876 + 138391696 = 15874^2 + 11764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390375571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48796943 + ... + 48796950.

It is an arithmetic number, because the mean of its divisors is an integer number (113859543).

Almost surely, 2^390375572 is an apocalyptic number.

It is an amenable number.

390375572 is a deficient number, since it is larger than the sum of its proper divisors (292781686).

390375572 is a wasteful number, since it uses less digits than its factorization.

390375572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97593897 (or 97593895 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 41.

The square root of 390375572 is about 19757.9242836893. The cubic root of 390375572 is about 730.8488106201.

The spelling of 390375572 in words is "three hundred ninety million, three hundred seventy-five thousand, five hundred seventy-two".